docs: def convert_1x_args(bucket, **kwargs):
      """
      Converts arguments for 1.x constructors to their 2.x forms
      """
      host = kwargs.pop('host', 'localhost')
      port = kwargs.pop('port', None)
      if not 'connstr' in kwargs and 'connection_string' not in kwargs:
          kwargs['connection_string'] = _build_connstr(host, port, bucket)
      return kwargs